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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 606315: (3x+5)(x-1)=x^2+9x-1 Click here to see answer by vleith(2825)

 Question 606329: Determine the midpoint of the segment whose endpoints are A(7, 3, -4) and B(-3, 1, 0). (5, 1, -2) (2, 0, 2) (2, 2, -2) (-5, -1, -2) Click here to see answer by Alan3354(31518)

 Question 606428: Formula for the radius of a cylinder Click here to see answer by richard1234(5390)

 Question 606439: (square root of 2x minus 3) squared Click here to see answer by Cintchr(481)

 Question 606453: Can circles squared by their diameter? Click here to see answer by Alan3354(31518)

 Question 606526: Terri and Juan earned \$1,150 from a one-year investment of \$15,000. If Terri invested some of the money at 8% interest and Juan invested the rest at 7%, how much did each invest? Click here to see answer by mananth(12270)

 Question 606564: Five years ago the sum of the number of years in the ages of Alice, Beatrice, Carlos, and Devon was 46. In years, what is the sum of their ages now? Click here to see answer by josmiceli(9817)

 Question 606562: Angela, bob, and Charlie have a total of \$35 in dollar bills. Bob has 3/4 as much as Angela and Charlie together. How many dollar bills does bob have? Click here to see answer by josmiceli(9817)

 Question 606560: A container is half full. After 20 ounces are poured out, the container is 1/3 full. Find the number of ounces in the container when it is full. Click here to see answer by josmiceli(9817)

 Question 606567: how to solve this problem 18/25 in lowest terms Click here to see answer by rfer(12730)

 Question 606741: Solve using elimination mood if the system has no solution or an infinite number of solutions, state this 9x - 2y = 88 -9x + 2y = -88 Click here to see answer by richwmiller(9144)

 Question 606749: 1. List the possible rational roots for the equation: x3 + x2 - 4x + 4 = 0 {±1, ±2, ±4} No answer is correct. {1, 2, 4} {±1, -2} Click here to see answer by richwmiller(9144)
 Question 606749: 1. List the possible rational roots for the equation: x3 + x2 - 4x + 4 = 0 {±1, ±2, ±4} No answer is correct. {1, 2, 4} {±1, -2} Click here to see answer by solver91311(17077)

 Question 606733: Carlson has saved \$564 at bank. He wants to save \$ 2030 for a trip to Alaska. What percent of his goal has been reached? Click here to see answer by richwmiller(9144)

 Question 606752: The base of a triangle is 7cm greater than height the area is 39cm^(2) find the height and the length of the base Click here to see answer by solver91311(17077)

 Question 606778: 5+(-19)+(+2)-(-5) Click here to see answer by rfer(12730)

 Question 606782: 5n+8n=63 Click here to see answer by unlockmath(1614)

 Question 606884: I need help on how to multiply and divide powers with variables Click here to see answer by solver91311(17077)

 Question 606868: Scores of 82,90,85,99.. What scores is needed to have average of 90? Click here to see answer by Alan3354(31518)

 Question 607025: 4√4x-8 = 3 I don't understand .. I'm supposed to solve 4 x.. I need help.. thank you! Click here to see answer by unlockmath(1614)

 Question 606445: 2z+9.75-7z=-5.15 Click here to see answer by asuar010(324)

 Question 606446: 2z+9.75-7z=-5.15 Click here to see answer by asuar010(324)

 Question 606452: 2z+9.75-7z=+5.15 Click here to see answer by asuar010(324)

 Question 607026: 5√5x+1 =5√3x I don't understand .. I'm supposed to solve 4 x.. I need help.. thank you! Click here to see answer by ankor@dixie-net.com(15746)

 Question 607016: Find the product (2a-3) (a+5) Click here to see answer by lynnlo(4169)

 Question 607142: Patty and Rick deliver a total of 72 papers each morning. Patty delivers 6 more than two times as many as Rick. How many papers does Rick deliver? Show your work. Click here to see answer by ewatrrr(10682)

 Question 607141: 26 feet around and 18inches deed ,how much concrete does it take to fill Click here to see answer by josmiceli(9817)

 Question 607135: Pipe A can fill a tank in 4 h. Pipe B can fill the tank in 9 h less than the time it takes pipe C, a drain pipe, to empty the tank. When all 3 pipes are open, it takes 2 h to fill the tank. How much time is required for pipe C to empty the tank if pipe A and B are closed. Click here to see answer by josmiceli(9817)

 Question 607162: 7.3x10with exponent -5 Click here to see answer by Alan3354(31518)
 Question 607162: 7.3x10with exponent -5 Click here to see answer by jim_thompson5910(28715)

 Question 607165: a grain silo is a cylinder with a hemisphere on top, with the dimensions shown. Find the volume and surface area including the base. Click here to see answer by Alan3354(31518)

 Question 607164: the volume of a cricket ball is 180 cm3. Find the radius and surface area. Click here to see answer by Alan3354(31518)

 Question 607163: the volume of football is 7240 cm3. Find rhe radius and surface area. Click here to see answer by Alan3354(31518)

 Question 607166: the diagram shows a can of food with semicircular ends. Find the volume and surface area. Click here to see answer by Alan3354(31518)

 Question 607244: 12x-3y=-21 Click here to see answer by lynnlo(4169)

 Question 607238: Identify the table of values for the equation 12x-3y=-21 Click here to see answer by lynnlo(4169)

 Question 607311: How much would a person who weighs 145 lbs have to drink to be equivalent to a person who is 8 lbs and drinks 2 oz Click here to see answer by Alan3354(31518)

 Question 607332: Y=8x squared Find the number of x-intercepts Click here to see answer by unlockmath(1614)

 Question 607420: Hi. I need help with decimals Thanks Click here to see answer by josmiceli(9817)

 Question 607546: THE EXPRESSION X^2-16 IS EQUIVALENT TO 1. (X+2)(X-8) 2. (X-2)(X+8) 3. (X+4)(X-4) 4. (X+8)(X-8) Click here to see answer by asuar010(324)

 Question 607553: what is an equation for the line that passes through the coordinates (2,0 and (0,3) Click here to see answer by Alan3354(31518)

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